# SDR CALA2026082518870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2026
- Submitted: August 25, 2026
- Operation: Air carrier
- Aircraft: [N18119](https://openairdocs.org/aircraft/N18119), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27561
- Aircraft time: 100,476 hours, 23,727 cycles
- System (JASC): [3220 · Nose/Tail Landing Gear](https://openairdocs.org/jasc/3220)
- Part: Bearing
- Condition: Melted
- Location: Nlg
- Stage of operation: TX
- How discovered: O
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082518870

## Discrepancy

PER FLT CREW, ON TAXI HAVING DIFFICULTY MOVING AND TURNING, MX REQUESTED TO INSPECTREQUIRES FURTHER INSPECTION.  AFTER FURTHER GVI DETERMINED THAT UPON LANDING RT NOSE WHEEL BEARINGS FAILED CAUSING WHEEL ASSY TO MELT DOWN BEAR METAL. WHEEL ASSY BORED OVERSIZE CAUSING WHEEL TO SIT ON BARE AXLE WITHOUT ANY SUPPORT. AIRCRAFT SAFELY TOWED WITH TOW BARLESS TRACKER TO GATE FOR DEPLANNING PAX AND THEN WILL REPO TO HANGER.   R&R RT NLG TIRE IAW AMM REF 32-45-02 FOR TOWING TO HANGAR. NLG REQUIRES TIRE REMOVAL FOR FURTHER INSPECTION.  REMOVED NLG INNER CYLINDER IAW AMM 32-21-24-794-001. PRIOR TO REMOVAL CAPTAINS TILLER SWITCH WAS OPERATED ON GROUND & NO FAULTS WERE NOTED IAW AMM 32-51-00/001.  INSTALLED NLG AXLE IN INNER CYLINDER. IAW ECRA 3221-01927 AND CMM 32-21-49.   REPLACED ACTIVE & SPARE SEALS ON SHOCK STRUT INNER CYLINDER IAW AMM 32-21-25.  INSTALLED NLG INNER CYLINDER IAW AMM 32-21-24-404-036, FROM STEP 3.E.(29) UP THRU COMPLETION. PERFORMED NOSE WHEEL STEERING SYS TEST IAW AMM 32-51-00-735-070-003, STEP 9.G. , OPS CHKD GOOD.

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